Former Eastenders and present-day Archers actor Lucy Speed, and comedian Sarah Mills talk about books set in wartime London, a 1990s underground train, and Graham Greene's MI6.
Lucy's choice is Everyone Brave is Forgiven by Chris Cleave, Which tells the tale of Mary, a woman who becomes a teacher at the beginning of the war, only for her life to take some unexpected turns during the Blitz.
Sarah has selected 253 by Geoff Ryman, the novel originally published on the Internet which tells the stories of 253 passengers on a London Underground train.
Harriett proposes a lesser known a Graham Greene novel, The Human Factor, which takes in apartheid South Africa and communism as well as espionage.
Producer for BBC Audio Bristol: Sally Heaven
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